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8428e5ad DG |
1 | /* |
2 | * TI AM33XX EMIF Routines | |
3 | * | |
4 | * Copyright (C) 2016-2017 Texas Instruments Inc. | |
5 | * Dave Gerlach | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License as | |
9 | * published by the Free Software Foundation version 2. | |
10 | * | |
11 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any | |
12 | * kind, whether express or implied; without even the implied warranty | |
13 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | */ | |
16 | #ifndef __LINUX_TI_EMIF_H | |
17 | #define __LINUX_TI_EMIF_H | |
18 | ||
19 | #include <linux/kbuild.h> | |
20 | #include <linux/types.h> | |
21 | #ifndef __ASSEMBLY__ | |
22 | ||
23 | struct emif_regs_amx3 { | |
24 | u32 emif_sdcfg_val; | |
25 | u32 emif_timing1_val; | |
26 | u32 emif_timing2_val; | |
27 | u32 emif_timing3_val; | |
28 | u32 emif_ref_ctrl_val; | |
29 | u32 emif_zqcfg_val; | |
30 | u32 emif_pmcr_val; | |
31 | u32 emif_pmcr_shdw_val; | |
32 | u32 emif_rd_wr_level_ramp_ctrl; | |
33 | u32 emif_rd_wr_exec_thresh; | |
34 | u32 emif_cos_config; | |
35 | u32 emif_priority_to_cos_mapping; | |
36 | u32 emif_connect_id_serv_1_map; | |
37 | u32 emif_connect_id_serv_2_map; | |
38 | u32 emif_ocp_config_val; | |
39 | u32 emif_lpddr2_nvm_tim; | |
40 | u32 emif_lpddr2_nvm_tim_shdw; | |
41 | u32 emif_dll_calib_ctrl_val; | |
42 | u32 emif_dll_calib_ctrl_val_shdw; | |
43 | u32 emif_ddr_phy_ctlr_1; | |
44 | u32 emif_ext_phy_ctrl_vals[120]; | |
45 | }; | |
46 | ||
47 | struct ti_emif_pm_data { | |
48 | void __iomem *ti_emif_base_addr_virt; | |
49 | phys_addr_t ti_emif_base_addr_phys; | |
50 | unsigned long ti_emif_sram_config; | |
51 | struct emif_regs_amx3 *regs_virt; | |
52 | phys_addr_t regs_phys; | |
53 | } __packed __aligned(8); | |
54 | ||
55 | struct ti_emif_pm_functions { | |
56 | u32 save_context; | |
57 | u32 restore_context; | |
6c110561 | 58 | u32 run_hw_leveling; |
8428e5ad DG |
59 | u32 enter_sr; |
60 | u32 exit_sr; | |
61 | u32 abort_sr; | |
62 | } __packed __aligned(8); | |
63 | ||
5692fcee DG |
64 | static inline void ti_emif_asm_offsets(void) |
65 | { | |
66 | DEFINE(EMIF_SDCFG_VAL_OFFSET, | |
67 | offsetof(struct emif_regs_amx3, emif_sdcfg_val)); | |
68 | DEFINE(EMIF_TIMING1_VAL_OFFSET, | |
69 | offsetof(struct emif_regs_amx3, emif_timing1_val)); | |
70 | DEFINE(EMIF_TIMING2_VAL_OFFSET, | |
71 | offsetof(struct emif_regs_amx3, emif_timing2_val)); | |
72 | DEFINE(EMIF_TIMING3_VAL_OFFSET, | |
73 | offsetof(struct emif_regs_amx3, emif_timing3_val)); | |
74 | DEFINE(EMIF_REF_CTRL_VAL_OFFSET, | |
75 | offsetof(struct emif_regs_amx3, emif_ref_ctrl_val)); | |
76 | DEFINE(EMIF_ZQCFG_VAL_OFFSET, | |
77 | offsetof(struct emif_regs_amx3, emif_zqcfg_val)); | |
78 | DEFINE(EMIF_PMCR_VAL_OFFSET, | |
79 | offsetof(struct emif_regs_amx3, emif_pmcr_val)); | |
80 | DEFINE(EMIF_PMCR_SHDW_VAL_OFFSET, | |
81 | offsetof(struct emif_regs_amx3, emif_pmcr_shdw_val)); | |
82 | DEFINE(EMIF_RD_WR_LEVEL_RAMP_CTRL_OFFSET, | |
83 | offsetof(struct emif_regs_amx3, emif_rd_wr_level_ramp_ctrl)); | |
84 | DEFINE(EMIF_RD_WR_EXEC_THRESH_OFFSET, | |
85 | offsetof(struct emif_regs_amx3, emif_rd_wr_exec_thresh)); | |
86 | DEFINE(EMIF_COS_CONFIG_OFFSET, | |
87 | offsetof(struct emif_regs_amx3, emif_cos_config)); | |
88 | DEFINE(EMIF_PRIORITY_TO_COS_MAPPING_OFFSET, | |
89 | offsetof(struct emif_regs_amx3, emif_priority_to_cos_mapping)); | |
90 | DEFINE(EMIF_CONNECT_ID_SERV_1_MAP_OFFSET, | |
91 | offsetof(struct emif_regs_amx3, emif_connect_id_serv_1_map)); | |
92 | DEFINE(EMIF_CONNECT_ID_SERV_2_MAP_OFFSET, | |
93 | offsetof(struct emif_regs_amx3, emif_connect_id_serv_2_map)); | |
94 | DEFINE(EMIF_OCP_CONFIG_VAL_OFFSET, | |
95 | offsetof(struct emif_regs_amx3, emif_ocp_config_val)); | |
96 | DEFINE(EMIF_LPDDR2_NVM_TIM_OFFSET, | |
97 | offsetof(struct emif_regs_amx3, emif_lpddr2_nvm_tim)); | |
98 | DEFINE(EMIF_LPDDR2_NVM_TIM_SHDW_OFFSET, | |
99 | offsetof(struct emif_regs_amx3, emif_lpddr2_nvm_tim_shdw)); | |
100 | DEFINE(EMIF_DLL_CALIB_CTRL_VAL_OFFSET, | |
101 | offsetof(struct emif_regs_amx3, emif_dll_calib_ctrl_val)); | |
102 | DEFINE(EMIF_DLL_CALIB_CTRL_VAL_SHDW_OFFSET, | |
103 | offsetof(struct emif_regs_amx3, emif_dll_calib_ctrl_val_shdw)); | |
104 | DEFINE(EMIF_DDR_PHY_CTLR_1_OFFSET, | |
105 | offsetof(struct emif_regs_amx3, emif_ddr_phy_ctlr_1)); | |
106 | DEFINE(EMIF_EXT_PHY_CTRL_VALS_OFFSET, | |
107 | offsetof(struct emif_regs_amx3, emif_ext_phy_ctrl_vals)); | |
108 | DEFINE(EMIF_REGS_AMX3_SIZE, sizeof(struct emif_regs_amx3)); | |
109 | ||
110 | BLANK(); | |
111 | ||
112 | DEFINE(EMIF_PM_BASE_ADDR_VIRT_OFFSET, | |
113 | offsetof(struct ti_emif_pm_data, ti_emif_base_addr_virt)); | |
114 | DEFINE(EMIF_PM_BASE_ADDR_PHYS_OFFSET, | |
115 | offsetof(struct ti_emif_pm_data, ti_emif_base_addr_phys)); | |
116 | DEFINE(EMIF_PM_CONFIG_OFFSET, | |
117 | offsetof(struct ti_emif_pm_data, ti_emif_sram_config)); | |
118 | DEFINE(EMIF_PM_REGS_VIRT_OFFSET, | |
119 | offsetof(struct ti_emif_pm_data, regs_virt)); | |
120 | DEFINE(EMIF_PM_REGS_PHYS_OFFSET, | |
121 | offsetof(struct ti_emif_pm_data, regs_phys)); | |
122 | DEFINE(EMIF_PM_DATA_SIZE, sizeof(struct ti_emif_pm_data)); | |
123 | ||
124 | BLANK(); | |
125 | ||
126 | DEFINE(EMIF_PM_SAVE_CONTEXT_OFFSET, | |
127 | offsetof(struct ti_emif_pm_functions, save_context)); | |
128 | DEFINE(EMIF_PM_RESTORE_CONTEXT_OFFSET, | |
129 | offsetof(struct ti_emif_pm_functions, restore_context)); | |
6c110561 DG |
130 | DEFINE(EMIF_PM_RUN_HW_LEVELING, |
131 | offsetof(struct ti_emif_pm_functions, run_hw_leveling)); | |
5692fcee DG |
132 | DEFINE(EMIF_PM_ENTER_SR_OFFSET, |
133 | offsetof(struct ti_emif_pm_functions, enter_sr)); | |
134 | DEFINE(EMIF_PM_EXIT_SR_OFFSET, | |
135 | offsetof(struct ti_emif_pm_functions, exit_sr)); | |
136 | DEFINE(EMIF_PM_ABORT_SR_OFFSET, | |
137 | offsetof(struct ti_emif_pm_functions, abort_sr)); | |
138 | DEFINE(EMIF_PM_FUNCTIONS_SIZE, sizeof(struct ti_emif_pm_functions)); | |
139 | } | |
140 | ||
8428e5ad DG |
141 | struct gen_pool; |
142 | ||
143 | int ti_emif_copy_pm_function_table(struct gen_pool *sram_pool, void *dst); | |
144 | int ti_emif_get_mem_type(void); | |
145 | ||
146 | #endif | |
147 | #endif /* __LINUX_TI_EMIF_H */ |